NCO- Cyber Olympiad (SOF) Class 7: Questions 141 - 144 of 417

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Question number: 141

» Mental Ability » Basic Algebra

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MCQ▾

Question

If and be any two rational numbers then we define:

Thus, subtracting a rational number means adding its additive inverse. Based on the statement given above solve the following Problem: Subtract from .

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 142

» Non Verbal Reasoning » Cubes and Dices

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MCQ▾

Question

Two positions of a dice are shown below. When there are 3 circles at the button, the number of circles at the button will be

Two dice are shows different position

Two Dice Are Shows Different Position

Choices

Choice (4)Response

a.

4

b.

5

c.

6

d.

1

Question number: 143

» Mental Ability » Basic Statistics

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Match List-Ⅰ List-Ⅱ▾

Question

Match the following.

List-ⅠList-Ⅱ

(A)

Circumcenter

(i)

The point at which the altitudes of a triangle meet

(B)

In Centre

(ii)

The point at which the three angle bisectors of a triangle meet

(C)

Centroid

(iii)

The point of intersection of the perpendicular of the sides of a triangle

(D)

Orthocenter

(iv)

The point at which the medians of a triangle meet

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (ii)
  • (iv)
  • (i)

b.

  • (i)
  • (ii)
  • (iv)
  • (iii)

c.

  • (ii)
  • (iv)
  • (iii)
  • (i)

d.

  • (iv)
  • (i)
  • (ii)
  • (iii)

Question number: 144

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

A train 600 meters long is running at a speed of If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is.

Choices

Choice (4)Response

a.

130

b.

360

c.

300

d.

500

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